1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/* Test fesetexcept.
Copyright (C) 2016-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <fenv.h>
#include <stdio.h>
#include <math-tests.h>
static int
test_fesetexcept (int exc, const char *exc_name)
{
int result = 0;
printf ("Testing %s\n", exc_name);
feclearexcept (FE_ALL_EXCEPT);
int ret = fesetexcept (exc);
if (ret == 0)
printf ("fesetexcept (%s) succeeded\n", exc_name);
else
{
printf ("fesetexcept (%s) failed\n", exc_name);
if (exc == 0 || EXCEPTION_TESTS (float))
{
puts ("failure of fesetexcept was unexpected");
result = 1;
}
else
puts ("failure of fesetexcept OK, skipping further tests");
return result;
}
ret = fetestexcept (FE_ALL_EXCEPT);
if (ret != exc)
{
printf ("raised exceptions %x, expected %x\n",
(unsigned int) ret, (unsigned int) exc);
result = 1;
}
ret = feraiseexcept (FE_ALL_EXCEPT);
if (ret != 0)
{
if (exc == 0 && !EXCEPTION_TESTS (float))
{
puts ("feraiseexcept (FE_ALL_EXCEPT) failed, skipping further tests");
return result;
}
puts ("feraiseexcept (FE_ALL_EXCEPT) unexpectedly failed");
result = 1;
}
ret = fesetexcept (exc);
if (ret != 0)
{
puts ("fesetexcept (second test) unexpectedly failed");
result = 1;
}
ret = fetestexcept (FE_ALL_EXCEPT);
if (ret != FE_ALL_EXCEPT)
{
printf ("raised exceptions (second test) %x, expected %x\n",
(unsigned int) ret, (unsigned int) FE_ALL_EXCEPT);
result = 1;
}
feclearexcept (FE_ALL_EXCEPT);
ret = feraiseexcept (FE_ALL_EXCEPT & ~exc);
if (ret != 0)
{
puts ("feraiseexcept (third test) unexpectedly failed");
result = 1;
}
ret = fesetexcept (exc);
if (ret != 0)
{
puts ("fesetexcept (third test) unexpectedly failed");
result = 1;
}
ret = fetestexcept (FE_ALL_EXCEPT);
if (ret != FE_ALL_EXCEPT)
{
printf ("raised exceptions (third test) %x, expected %x\n",
(unsigned int) ret, (unsigned int) FE_ALL_EXCEPT);
result = 1;
}
return result;
}
static int
do_test (void)
{
int result = 0;
result |= test_fesetexcept (0, "0");
result |= test_fesetexcept (FE_ALL_EXCEPT, "FE_ALL_EXCEPT");
#ifdef FE_DIVBYZERO
result |= test_fesetexcept (FE_DIVBYZERO, "FE_DIVBYZERO");
#endif
#ifdef FE_INEXACT
result |= test_fesetexcept (FE_INEXACT, "FE_INEXACT");
#endif
#ifdef FE_INVALID
result |= test_fesetexcept (FE_INVALID, "FE_INVALID");
#endif
#ifdef FE_OVERFLOW
result |= test_fesetexcept (FE_OVERFLOW, "FE_OVERFLOW");
#endif
#ifdef FE_UNDERFLOW
result |= test_fesetexcept (FE_UNDERFLOW, "FE_UNDERFLOW");
#endif
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
